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Interpolation gadgets tests

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This commit is contained in:
wborgeaud 2021-06-11 18:05:59 +02:00
parent 5200d70cf0
commit 133c75d68e
1 changed files with 37 additions and 1 deletions
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38
src/gadgets/interpolation.rs
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@ -65,12 +65,16 @@ mod tests {
use crate::field::field::Field;
use crate::field::lagrange::{interpolant, interpolate};
use crate::witness::PartialWitness;
use std::convert::TryInto;
#[test]
fn test_interpolate() {
type F = CrandallField;
type FF = QuarticCrandallField;
let config = CircuitConfig::large_config();
let config = CircuitConfig {
num_routed_wires: 18,
..CircuitConfig::large_config()
};
let mut builder = CircuitBuilder::<F, 4>::new(config);
let len = 2;
@ -102,4 +106,36 @@ mod tests {
let data = builder.build();
let proof = data.prove(PartialWitness::new());
}
#[test]
fn test_interpolate2() {
type F = CrandallField;
type FF = QuarticCrandallField;
let config = CircuitConfig::large_config();
let mut builder = CircuitBuilder::<F, 4>::new(config);
let len = 2;
let points = (0..len)
.map(|_| (FF::rand(), FF::rand()))
.collect::<Vec<_>>();
let true_interpolant = interpolant(&points);
let z = FF::rand();
let true_eval = true_interpolant.eval(z);
let points_target = points
.iter()
.map(|&(p, v)| (builder.constant_extension(p), builder.constant_extension(v)))
.collect::<Vec<_>>();
let zt = builder.constant_extension(z);
let eval = builder.interpolate2(points_target.try_into().unwrap(), zt);
let true_eval_target = builder.constant_extension(true_eval);
builder.assert_equal_extension(eval, true_eval_target);
let data = builder.build();
let proof = data.prove(PartialWitness::new());
}
}